Display screen portion having a graphical user interface for determining optimal times for outdoor activities based on outdoor conditions



FIG. 1 is a front view of a display screen portion having a graphical user interface for determining optimal times for outdoor activities based on outdoor conditions;

FIG. 2 is a front view of a second image thereof;

FIG. 3 is a front view of a third image thereof;

FIG. 4 is a front view of a fourth image thereof;

FIG. 5 is a front view of a fifth image thereof;

FIG. 6 is a front view of a sixth image thereof; and,

FIG. 7 is a front view of a seventh image thereof.

The outer edge of the portion of the display screen is understood to be congruent with the outer edge of the graphical user interface. 

CLAIM The ornamental design for a display screen portion having a graphical user interface for determining optimal times for outdoor activities based on outdoor conditions, as shown and described. 